Subject:

Chicago Fiber Maintenance

Category:

Scheduled Maintenance

TicketID:

20260416-001

Start Time:

2026-04-23 23:30:00 EDT (2026-04-24 03:30:00 UTC)

End Time:

2026-04-24 03:00:00 EDT (2026-04-24 07:00:00 UTC)

The maintenance has been finished. All the affected services have been restored. The ticket is closed.

CANARIE’s fiber vendor will be performing a planned fiber swing in the Chicago region to enhance support for our ROADM network.

During the maintenance window, connectivity to Starlight will be temporarily interrupted. Backbone traffic is expected to automatically reroute; however, the following services will experience an outage:

MOXY – Starlight Link:

• TWAREN-AMST1-CHCG1 (VLAN 139)
• GEANT-AMST1-CHCG1 (VLAN 3068)

Ciena CENI Optical Services:

• CHCG1-OTWA4-CENI-200G-01 (195.8 THz, 1531.12 nm)
• CHCG1-OTWA4-CENI-200G-02 (195.7 THz, 1531.90 nm)